(WUSA) -- You can tell the first-place Washington Nationals are having fun.

Going into the end of July, the team had its best record since returning to Washington. It also had the best record of any DC-based major league team in 79 years.

While visiting the MLB Fan Cave in New York during a series with the Mets, four Nationals relief pitchers got serious about comedy. Watch the video below with Sean Burnett, Tyler Clippard, Craig Stammen, and Ryan Matthews reading excerpts from the novel 50 Shades of Grey, and make sure to catch the end when the guys crack themselves up.